Skip to content Skip to navigation menu

Your Selected Vehicle

Brands

Show More Show Less

Price

Parts for your 2015 Bmw X3-Coolant

Sort by
Goss Coolant Temperature Sensor - CS919

Goss Coolant Temperature Sensor - CS919

Confirm Vehicle
$616
Fitment Notes:
See More
Dayco Coolant Expansion Tank - DET0068

Dayco Coolant Expansion Tank - DET0068

Confirm Vehicle
$243
Fitment Notes:
See More
Dayco Coolant Expansion Tank - DET0016

Dayco Coolant Expansion Tank - DET0016

Confirm Vehicle
$124
Fitment Notes:
See More
Gates VulcoFlex Coolant Hose - 25302

Gates VulcoFlex Coolant Hose - 25302

Confirm Vehicle
$117
Fitment Notes:
See More
OEX  Temperature Sensor - CCS33

OEX Temperature Sensor - CCS33

Confirm Vehicle
$150
Fitment Notes:
See More

Explore 4WD & Adventure

Gates VulcoFlex Coolant Hose - 25482

Gates VulcoFlex Coolant Hose - 25482

Confirm Vehicle
$170
Fitment Notes:
See More
Dayco Coolant Overflow Bottle - DOT0100

Dayco Coolant Overflow Bottle - DOT0100

Confirm Vehicle
$128
Fitment Notes:
See More
Goss Coolant Expansion Tank - CB137

Goss Coolant Expansion Tank - CB137

Confirm Vehicle
$89
Fitment Notes:
See More
Gates Silicone Coolant Hose - 24832

Gates Silicone Coolant Hose - 24832

Confirm Vehicle
$834
Fitment Notes:
See More
Gates Coolant Thermostat - TH49682G1

Gates Coolant Thermostat - TH49682G1

Confirm Vehicle
$335
Fitment Notes:
See More
OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

Confirm Vehicle
$224
Fitment Notes:
See More
OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

Confirm Vehicle
$181
Fitment Notes:
See More
OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

Confirm Vehicle
$99
Fitment Notes:
See More
OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

Confirm Vehicle
$74
Fitment Notes:
See More
Goss Coolant Temperature Sensor - CS843

Goss Coolant Temperature Sensor - CS843

Confirm Vehicle
$122
Fitment Notes:
See More
Dayco Coolant Expansion Tank - DET0044

Dayco Coolant Expansion Tank - DET0044

Confirm Vehicle
$113
Fitment Notes:
See More
Ryco HD Radiator Coolant Filter - Z1030

Ryco HD Radiator Coolant Filter - Z1030

Confirm Vehicle
$87
Fitment Notes:
See More
Dayco Coolant Overflow Bottle - DOT0025

Dayco Coolant Overflow Bottle - DOT0025

Confirm Vehicle
$115
Fitment Notes:
See More
Gates VulcoFlex Coolant Hose - 25476

Gates VulcoFlex Coolant Hose - 25476

Confirm Vehicle
$75
Fitment Notes:
See More
Dayco Coolant Overflow Bottle - DOT0012

Dayco Coolant Overflow Bottle - DOT0012

Confirm Vehicle
$71
Fitment Notes:
See More
OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

Confirm Vehicle
$69
Fitment Notes:
See More
OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

Confirm Vehicle
$48
Fitment Notes:
See More
Gates Silicone Coolant Hose - 24816

Gates Silicone Coolant Hose - 24816

Confirm Vehicle
$410
Fitment Notes:
See More
Dayco Coolant Expansion Tank - DET0077

Dayco Coolant Expansion Tank - DET0077

Confirm Vehicle
$306
Fitment Notes:
See More
Dayco Coolant Expansion Tank - DET0014

Dayco Coolant Expansion Tank - DET0014

Confirm Vehicle
$114
Fitment Notes:
See More
Gates VulcoFlex Coolant Hose - 25474

Gates VulcoFlex Coolant Hose - 25474

Confirm Vehicle
$68
Fitment Notes:
See More
Showing 196 - 234 of 4186 products

Coolant and Its Importance in the 2015 BMW X3

The 2015 BMW X3, like most modern vehicles, definitely relies on coolant as an essential part of its engine management system. Coolant is absolutely necessary in this model to keep the engine running smoothly and to avoid damage caused by overheating or freezing. In fact, the BMW X3's engine cooling system is designed with precision to ensure optimal operating temperatures under a wide variety of driving conditions.

So, what exactly is coolant and why does the 2015 BMW X3 need it? Coolant is a specially formulated liquid that circulates through the engine, absorbing heat and transferring it to the radiator. The radiator then dissipates this heat into the air, which prevents the engine from overheating. This process helps maintain the engine at a stable temperature, allowing it to run efficiently and reliably.

Coolant also serves other important purposes beyond just temperature regulation. For one, it contains anti-freeze agents, which stop the liquid from freezing in cold weather, ensuring your X3's engine stays protected no matter how chilly it gets. Additionally, coolant has corrosion inhibitors built in. These additives help protect the metal parts inside the engine and cooling system, preventing rust and corrosion that could lead to expensive repairs if ignored.

Since the 2015 BMW X3 relies heavily on this liquid, it is crucial that owners pay attention to coolant maintenance. Factory-recommended coolant for this model usually meets specific standards ensuring it interacts correctly with the engine's materials, seals, and sensor systems to avoid damage and maintain performance. Using the wrong type of coolant or failing to change it can cause problems like leaks, overheating, or premature wear on the cooling system components.

When servicing a 2015 BMW X3, coolant replacement or top-ups are commonly part of the routine. BMW typically suggests coolant checks every 12 months or around every 15,000 to 20,000 kilometres, whichever comes first. However, this can vary depending on the driving environment and climate conditions.

Checking the coolant level should be straightforward. The reservoir is usually translucent and marked with minimum and maximum levels. If the coolant is low, topping it up with the correct BMW-approved formula is essential. Just make sure the engine is cool before opening the radiator cap or reservoir to avoid injury from hot steam or coolant spray.

Besides level checks, the coolant should also be physically examined during servicing. A good coolant will be clean, with a bright colour ranging from green to pink depending on the type used. If the coolant looks rusty, murky, or has particles floating in it, it's a clear sign the system needs flushing and a fresh fill. Old or contaminated coolant loses its effectiveness and can cause serious issues like overheating or clogging within the cooling system.

For those who like to do their own maintenance, flushing the cooling system and replacing the coolant is definitely doable with the right tools and knowledge. This involves draining the old coolant, flushing the radiator and engine passages with a cleaning solution to remove deposits, then refilling with fresh coolant and bleeding the system to eliminate air pockets. Air trapped in the cooling system can cause hot spots and erratic temperature readings, so this step is key to proper coolant system function.

Regular maintenance of the coolant system in the 2015 BMW X3 also extends the life of other components like the water pump, thermostat, and radiator. Neglecting this maintenance can lead to big headaches down the track including engine overheating, warped cylinder heads, blown gaskets, and costly repairs.

In terms of coolant type, BMW highly recommends using their branded antifreeze or equivalents meeting BMW N 600 69.0 specification, which is usually an ethylene glycol-based coolant with long-life additives. Using generic or incorrect coolant types can cause incompatibility issues and damage the sensitive alloys in the engine and cooling system.

Overall, coolant plays a vital role in the reliability and performance of the 2015 BMW X3. Proper maintenance ensures that the vehicle runs efficiently and protects the engine investment for years to come. Vehicle owners should always keep an eye on coolant levels, check for contamination, and follow recommended service intervals to keep the cooling system in tip-top shape.